From patchwork Wed Nov 16 08:19:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Zhijian X-Patchwork-Id: 13044521 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 958EAC43217 for ; Wed, 16 Nov 2022 08:20:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238629AbiKPIUr (ORCPT ); Wed, 16 Nov 2022 03:20:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232785AbiKPIUa (ORCPT ); Wed, 16 Nov 2022 03:20:30 -0500 Received: from esa11.hc1455-7.c3s2.iphmx.com (esa11.hc1455-7.c3s2.iphmx.com [207.54.90.137]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E34F4D2CE; Wed, 16 Nov 2022 00:20:26 -0800 (PST) X-IronPort-AV: E=McAfee;i="6500,9779,10532"; a="75610043" X-IronPort-AV: E=Sophos;i="5.96,167,1665414000"; d="scan'208";a="75610043" Received: from unknown (HELO yto-r3.gw.nic.fujitsu.com) ([218.44.52.219]) by esa11.hc1455-7.c3s2.iphmx.com with ESMTP; 16 Nov 2022 17:20:22 +0900 Received: from yto-m3.gw.nic.fujitsu.com (yto-nat-yto-m3.gw.nic.fujitsu.com [192.168.83.66]) by yto-r3.gw.nic.fujitsu.com (Postfix) with ESMTP id AA9A5E445A; Wed, 16 Nov 2022 17:20:20 +0900 (JST) Received: from kws-ab2.gw.nic.fujitsu.com (kws-ab2.gw.nic.fujitsu.com [192.51.206.12]) by yto-m3.gw.nic.fujitsu.com (Postfix) with ESMTP id F23A5D968B; Wed, 16 Nov 2022 17:20:19 +0900 (JST) Received: from FNSTPC.g08.fujitsu.local (unknown [10.167.226.45]) by kws-ab2.gw.nic.fujitsu.com (Postfix) with ESMTP id C6F772340D44; Wed, 16 Nov 2022 17:20:18 +0900 (JST) From: Li Zhijian To: zyjzyj2000@gmail.com, jgg@ziepe.ca, leon@kernel.org, Bob Pearson , linux-rdma@vger.kernel.org Cc: Mark Bloch , Tom Talpey , tomasz.gromadzki@intel.com, Dan Williams , Xiao Yang , y-goto@fujitsu.com, linux-kernel@vger.kernel.org, Li Zhijian Subject: [for-next PATCH v6 03/10] RDMA/rxe: Extend rxe user ABI to support flush Date: Wed, 16 Nov 2022 16:19:44 +0800 Message-Id: <20221116081951.32750-4-lizhijian@fujitsu.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221116081951.32750-1-lizhijian@fujitsu.com> References: <20221116081951.32750-1-lizhijian@fujitsu.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-TM-AS-Product-Ver: IMSS-9.1.0.1408-9.0.0.1002-27266.006 X-TM-AS-User-Approved-Sender: Yes X-TMASE-Version: IMSS-9.1.0.1408-9.0.1002-27266.006 X-TMASE-Result: 10--3.211900-10.000000 X-TMASE-MatchedRID: y6wt06uo3+c3i8FXueJ7nioiRKlBVkYI4Tk+Ydnj9RtFms6YEs23D8s0 A8Och09BxTsa1zsKwGAzoUNAtFjsci/7QU2czuUNA9lly13c/gGrHFhHKqXuS+0NA4pWf9v6o8W MkQWv6iUCY+lsYFiWG+TCMddcL/gjxlblqLlYqXJg243VUQ5gotJhlo0wNlMFQMD5e+hgqWRXTh L/dK+xeI3YczUbgj3oWZT/4ma4ZGBjLx2sm6TA+4iqokNjcw2/yF2YDjfiz5gRZbRsQk5MBUB1Q Pq9bxnWZkAxAwjIrrMHz/H0kiLyEqGAtHMDjkk9 X-TMASE-SNAP-Result: 1.821001.0001-0-1-22:0,33:0,34:0-0 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org This commit extends the rxe user ABI to support the flush operation defined in IBA A19.4.1. These changes are backwards compatible with the existing rxe user ABI. The user API request a flush by filling this structure. Reviewed-by: Zhu Yanjun Signed-off-by: Li Zhijian --- V5: new patch split scheme, suggested by Bob --- include/uapi/rdma/rdma_user_rxe.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/uapi/rdma/rdma_user_rxe.h b/include/uapi/rdma/rdma_user_rxe.h index 73f679dfd2df..e2b93df94590 100644 --- a/include/uapi/rdma/rdma_user_rxe.h +++ b/include/uapi/rdma/rdma_user_rxe.h @@ -82,6 +82,13 @@ struct rxe_send_wr { __u32 invalidate_rkey; } ex; union { + struct { + __aligned_u64 remote_addr; + __u32 length; + __u32 rkey; + __u8 type; + __u8 level; + } flush; struct { __aligned_u64 remote_addr; __u32 rkey;